/* ===================================================
   SORTING PAGE STYLES - Shelflow
   トンマナ: --primary #19b3c7 / dark #0f172a / gray #64748b
=================================================== */

/* -------------------------
   共通ユーティリティ
------------------------- */
.sp-only {
  display: none;
}

.fv__stats {
  display: flex;
  flex-wrap: nowrap; /* 1行に固定 */
  gap: 12px;
  margin-top: 24px;
  overflow-x: auto; /* はみ出し時にスクロール可能にする */
  width: 100%;
  scrollbar-width: none; /* スクロールバー非表示 */
}

.fv__stats::-webkit-scrollbar {
  display: none;
}

.fv__stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px; /* 8px角丸長方形 */
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
  flex-shrink: 0; /* 縮小防止 */
  white-space: nowrap; /* 改行防止 */
}

.fv__statLabel {
  margin-bottom: 0;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.4;
  color: #64748b;
}

.fv__statValue {
  font-size: 14.5px;
  font-weight: 900;
  line-height: 1.25;
  color: #0b4a75; /* 濃いロイヤルブルーの強調 */
  letter-spacing: -0.01em;
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-right: 2px;
}

.stat-svg {
  stroke: #19b3c7;
}

@media screen and (max-width: 1100px) {
  .fv__stats {
    justify-content: flex-start;
  }
}

@media screen and (max-width: 767px) {
  .fv__stats {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 8px;
    gap: 8px;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    scrollbar-width: none;
  }

  .fv__stats::-webkit-scrollbar {
    display: none;
  }

  .fv__stat {
    display: inline-flex;
    flex-direction: row; /* 横並びを維持 */
    align-items: center;
    padding: 6px 12px;
    gap: 6px;
  }

  .fv__statLabel {
    margin-bottom: 0;
    font-size: 11px;
  }

  .fv__statValue {
    font-size: 12px;
  }

  .stat-icon {
    margin-right: 0;
  }

  .stat-svg {
    width: 15px;
    height: 15px;
  }
}


/* 共通CTAボタン */
.srt-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 36px;
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #207994 0%, #31a4c7 100%);
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(32, 121, 148, 0.28);
  transition: transform 0.25s, box-shadow 0.25s;
}

.srt-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(32, 121, 148, 0.36);
}

/* ===================================================
   Section 1: HERO
=================================================== */
.srt-hero {
  position: relative;
  padding: 80px 0 80px;
  background:
    radial-gradient(circle at top right, rgba(62, 121, 239, 0.08) 0%, rgba(62, 121, 239, 0) 30%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  overflow: hidden;
}

.srt-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(255, 255, 255, 0.96) 0%,
      rgba(255, 255, 255, 0.88) 25%,
      rgba(255, 255, 255, 0.55) 50%,
      rgba(255, 255, 255, 0.15) 75%,
      rgba(255, 255, 255, 0) 100%),
    url("../image/picking/fv.jpeg") center center / cover no-repeat;
  opacity: 0.18;
  z-index: 0;
  pointer-events: none;
  filter: grayscale(100%); /* オレンジ色を消し、背景のシアン・ブルーに美しく溶け込ませる */
}

.srt-hero .container {
  position: relative;
  z-index: 1;
}

.srt-hero__inner {
  display: grid;
  grid-template-columns: 1fr 500px;
  gap: 30px;
  align-items: center;
}

.srt-hero__badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  margin-bottom: 22px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #19b3c7;
  background: #eefafc;
  border: 1px solid #d1f0f4;
  border-radius: 999px;
}

.srt-hero__title {
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 750;
  line-height: 1.35;
  color: #0f172a;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.srt-hero__lead {
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.75;
  color: #64748b;
  margin-bottom: 20px;
}

.srt-hero__lead-block {
  display: block;
}

.srt-hero__lead-block+.srt-hero__lead-block {
  margin-top: 10px;
}

.srt-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.srt-hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 800;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s;
}

.srt-hero__btn:hover {
  transform: translateY(-2px);
}

.srt-hero__btn--primary {
  background: linear-gradient(135deg, #207994 0%, #31a4c7 100%);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(32, 121, 148, 0.28);
}

.srt-hero__btn--primary:hover {
  box-shadow: 0 18px 36px rgba(32, 121, 148, 0.36);
}

.srt-hero__btn--secondary {
  background: #ffffff;
  color: #0f172a;
  border: 1.5px solid #cbd5e1;
}

.srt-hero__btn--secondary:hover {
  border-color: #19b3c7;
  color: #19b3c7;
}

.srt-hero__notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.srt-hero__note {
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
}

.srt-hero__imageWrap {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin-left: auto;
}

.srt-hero__image {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 28px 42px rgba(6, 27, 51, 0.18));
}

/* ===============================
  SORTING ISSUES - LIST TYPE
=============================== */

.srt-issues {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  background:
    radial-gradient(circle at 12% 12%, rgba(40, 120, 167, 0.10), transparent 28%),
    linear-gradient(180deg, #f7fbfd 0%, #ffffff 100%);
}

.srt-issues::before,
.srt-compare::before,
.srt-how::before,
.srt-usage::before,
.srt-fit::before,
.srt-flow::before,
.srt-poc::before,
.srt-price::before {
  position: absolute;
  top: 42px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(40, 120, 167, 0.045);
  font-size: clamp(72px, 12vw, 150px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.08em;
  pointer-events: none;
  white-space: nowrap;
  z-index: 0;
}

.srt-issues::before {
  content: "ISSUES";
}

.srt-compare::before {
  content: "COMPARE";
}

.srt-how::before {
  content: "HOW";
}

.srt-usage::before {
  content: "FLOW";
}

.srt-fit::before {
  content: "CHECK";
}

.srt-flow::before {
  content: "STEP";
}

.srt-poc::before {
  content: "POC";
}

.srt-price::before {
  content: "PRICE";
}

.srt-compare,
.srt-how,
.srt-usage,
.srt-fit,
.srt-flow,
.srt-poc,
.srt-price {
  position: relative;
  overflow: hidden;
}

.srt-compare .container,
.srt-how .container,
.srt-usage .container,
.srt-fit .container,
.srt-flow .container,
.srt-poc .container,
.srt-price .container {
  position: relative;
  z-index: 1;
}

.srt-issues__inner {
  position: relative;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  z-index: 1;
}

.srt-issues__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-issues__eyebrow,
.srt-compare__eyebrow,
.srt-how__eyebrow,
.srt-usage__eyebrow,
.srt-fit__eyebrow,
.srt-flow__eyebrow,
.srt-poc__eyebrow,
.srt-price__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: #2878a7;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  justify-content: center;
  width: 100%;
}

.srt-issues__eyebrow::before,
.srt-issues__eyebrow::after,
.srt-compare__eyebrow::before,
.srt-compare__eyebrow::after,
.srt-how__eyebrow::before,
.srt-how__eyebrow::after,
.srt-usage__eyebrow::before,
.srt-usage__eyebrow::after,
.srt-fit__eyebrow::before,
.srt-fit__eyebrow::after,
.srt-flow__eyebrow::before,
.srt-flow__eyebrow::after,
.srt-poc__eyebrow::before,
.srt-poc__eyebrow::after,
.srt-price__eyebrow::before,
.srt-price__eyebrow::after {
  content: "";
  width: 28px;
  height: 1px;
  background: rgba(40, 120, 167, 0.35);
}

.srt-issues__head h2 {
  color: #061b33;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.45;
  letter-spacing: 0.04em;
  font-weight: 750;
}

.srt-issues__lead {
  max-width: 680px;
  margin: 18px auto 0;
  color: #667085;
  font-size: 15px;
  line-height: 1.9;
}

/* list area */
.srt-issues__listWrap {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 54px;
  background:
    linear-gradient(180deg,
      rgba(255, 255, 255, 0.95) 0%,
      rgba(255, 255, 255, 0.98) 100%);
  box-shadow:
    0 24px 50px rgba(31, 41, 51, 0.06);
}

.srt-issues__list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}

.srt-issues__col {
  display: flex;
  flex-direction: column;
}

.srt-issues__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid rgba(6, 27, 51, 0.22);
}

.srt-issues__item:first-child {
  padding-top: 0;
}

.srt-issues__icon {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
  justify-self: center;
  flex-shrink: 0;
}

.srt-issues__item p {
  color: #061b33;
  font-size: 18px;
  line-height: 1.75;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.srt-issues__item p span {
  color: #061b33;
  font-weight: 900;
  background: linear-gradient(transparent 64%, rgba(40, 120, 167, 0.18) 0);
}

/* corner */
.srt-issues__corner {
  position: absolute;
  z-index: 1;
  width: 44px;
  height: 44px;
  pointer-events: none;
}

.srt-issues__corner--leftTop {
  top: -6px;
  left: -6px;
  border-top: 6px solid #58acd5;
  border-left: 6px solid #58acd5;
}

.srt-issues__corner--rightTop {
  top: -6px;
  right: -6px;
  border-top: 6px solid #061b33;
  border-right: 6px solid #061b33;
}

.srt-issues__corner--leftBottom {
  bottom: -6px;
  left: -6px;
  border-bottom: 6px solid #061b33;
  border-left: 6px solid #061b33;
}

.srt-issues__corner--rightBottom {
  bottom: -6px;
  right: -6px;
  border-bottom: 6px solid #58acd5;
  border-right: 6px solid #58acd5;
}

.srt-issues__message {
  position: relative;
  z-index: 1;
  margin: 34px auto 0;
  padding: 20px 24px;
  max-width: 680px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(210, 226, 236, 0.9);
  color: #34495e;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 14px 34px rgba(31, 41, 51, 0.055);
}

.srt-issues__message span {
  color: #2878a7;
  font-weight: 900;
}



/* responsive */
@media (max-width: 820px) {
  .srt-issues__listWrap {
    padding: 22px 28px 30px;
  }

  .srt-issues__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .srt-issues__col:first-child .srt-issues__item:last-child {
    border-bottom: 1px solid rgba(6, 27, 51, 0.22);
  }
}

@media (max-width: 640px) {
  .srt-issues {
    padding: 60px 0;
  }

  .srt-issues__inner {
    width: min(100% - 28px, 1120px);
  }

  .srt-issues__head {
    margin-bottom: 38px;
  }

  .srt-issues__listWrap {
    padding: 18px 12px 28px;
  }

  .srt-issues__corner {
    width: 30px;
    height: 30px;
  }

  .srt-issues__item {
    grid-template-columns: 40px 1fr;
    gap: 14px;
    padding: 18px 0;
  }

  .srt-issues__icon {
    width: 32px;
    height: 32px;
  }

  .srt-issues__item p {
    font-size: 15px;
  }

  .srt-issues__message {
    border-radius: 22px;
    font-size: 15px;
    line-height: 1.8;
  }

  .sp-only {
    display: block;
  }
}

/* ===================================================
   Section 3: COMPARE
=================================================== */
.srt-compare {
  padding: 80px 0;
  background: #ffffff;
}

.srt-compare__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-compare__title {
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  color: #0f172a;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.srt-compare__imageWrap {
  max-width: 1000px;
  margin: 48px auto 0;
  overflow: hidden;
  box-shadow: 0 22px 55px rgba(6, 27, 51, 0.12);
  background: #fff;
}

.srt-compare__image {
  display: block;
  width: 100%;
  height: auto;
}

.srt-compare__note {
  max-width: 860px;
  margin: 42px auto 0;
  text-align: center;
  color: #34495e;
  font-size: 16px;
  line-height: 1.9;
}

.srt-compare__note p+p {
  margin-top: 14px;
}

.srt-compare__cta {
  margin-top: 34px;
  text-align: center;
}

@media (max-width: 768px) {
  .srt-compare__imageWrap {
    margin-top: 32px;
    border-radius: 12px;
    overflow-x: visible;
  }

  .srt-compare__image {
    min-width: auto;
    width: 100%;
  }

  .srt-compare__note {
    text-align: left;
    font-size: 15px;
  }
}

.srt-compare__note p {
  font-size: 14px;
  line-height: 1.9;
  color: #64748b;
}

.srt-compare__note p+p {
  margin-top: 14px;
}

.srt-compare__cta {
  text-align: center;
}

/* ===================================================
   Section 4: HOW IT WORKS
=================================================== */
.srt-how {
  padding: 80px 0;
  background: #f8fafc;
}

.srt-how__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-how__title {
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  color: #0f172a;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.srt-how__flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 52px;
}

.srt-how__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 240px;
  text-align: center;
}

.srt-how__step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 15px;
  font-weight: 900;
  color: #ffffff;
  background: linear-gradient(135deg, #207994 0%, #31a4c7 100%);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(32, 121, 148, 0.25);
}

.srt-how__step-icon {
  font-size: 28px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.srt-how__step-icon img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
}

.srt-how__step-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.srt-how__step-title {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
}

.srt-how__step-desc {
  font-size: 12px;
  color: #64748b;
  line-height: 1.5;
}

.srt-how__arrow {
  font-size: 24px;
  color: #cbd5e1;
  font-weight: 700;
  margin-top: -36px;
}

/* 画面イメージ */
.srt-how__screens {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.srt-screen {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
}

.srt-screen__label {
  padding: 12px 20px;
  background: #0f172a;
  font-size: 12px;
  font-weight: 700;
  color: #19b3c7;
  letter-spacing: 0.06em;
}

.srt-screen__body {
  background: #ffffff;
  padding: 20px;
}

.srt-screen__image {
  display: block;
  width: 90%;
  height: auto;
}



/* SP画面 */
.srt-screen__body--sp {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 20px;
  gap: 8px;
}

.srt-screen__sp-dest {
  font-size: 12px;
  font-weight: 700;
  color: #64748b;
  letter-spacing: 0.04em;
}

.srt-screen__sp-product {
  font-size: 16px;
  font-weight: 800;
  color: #0f172a;
}

.srt-screen__sp-jan {
  font-size: 11px;
  color: #94a3b8;
  letter-spacing: 0.04em;
}

.srt-screen__sp-qty {
  font-size: 56px;
  font-weight: 900;
  color: #0f172a;
  line-height: 1;
  margin: 10px 0;
}

.srt-screen__sp-qty small {
  font-size: 20px;
  font-weight: 700;
  margin-left: 4px;
}

.srt-screen__sp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #207994 0%, #31a4c7 100%);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 8px 20px rgba(32, 121, 148, 0.25);
}

/* スマホ複数台スライド用のコンテナ */
.srt-screen-sp-scroll-container {
  width: 380px;
  /* 中央の170px + 左右の見切れスペース */
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.srt-screen-sp-track {
  display: flex;
  gap: 20px;
  /* スムーズな配置ギャップ */
  width: max-content;
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  padding: 20px 0;
}

.srt-screen-sp-scroll-hint {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-align: right;
  margin-top: -8px;
  margin-right: 8px;
  animation: hint-bounce 1.5s infinite;
}

@keyframes hint-bounce {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(4px);
  }
}

/* スクロール内でのスマホカードサイズ固定（実機スマホ風デザイン - 超コンパクト版） */
.srt-screen-sp-track .srt-screen--sp {
  flex: 0 0 170px;
  scroll-snap-align: start;
  border: 6px solid #0f172a;
  border-radius: 20px;
  background: #0f172a;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
  height: 290px;
  display: flex;
  flex-direction: column;

  /* カルーセル用のトランジションと初期非アクティブ状態 */
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease, box-shadow 0.4s ease;
  opacity: 0.45;
  transform: scale(0.9);
}

/* カルーセルで中央（アクティブ）になったスマホ */
.srt-screen-sp-track .srt-screen--sp.is-active {
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
  cursor: default;
}

/* 非アクティブスマホへのホバーエフェクト */
.srt-screen-sp-track .srt-screen--sp:not(.is-active):hover {
  opacity: 0.8;
  transform: scale(0.93);
}

/* スマホ上部のスピーカー/インカメラ（ノッチ） */
.srt-screen-sp-track .srt-screen--sp::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  /* ノッチ幅を調整 (44px ➔ 32px) */
  height: 6px;
  /* ノッチ高さを調整 (8px ➔ 6px) */
  background: #1e293b;
  border-radius: 999px;
  z-index: 10;
}

/* スマホ上部ラベル（ステータスバーを考慮したパディング調整） */
.srt-screen-sp-track .srt-screen--sp .srt-screen__label {
  padding: 12px 8px 4px;
  /* パディングもさらにコンパクトに調整 */
  background: #0f172a;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
  font-size: 10px;
}

/* スマホボディ部分（高さを埋めて配置を揃える） */
.srt-screen-sp-track .srt-screen--sp .srt-screen__body {
  flex: 1;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  padding: 8px 10px;
  /* 内部余白をさらに調整 */
}

/* 内部コンテンツのスケールダウン上書き */
.srt-screen-sp-track .srt-screen--sp .srt-screen__sp-dest {
  font-size: 9px;
}

.srt-screen-sp-track .srt-screen--sp .srt-screen__sp-product {
  font-size: 11px;
  margin-top: 1px;
  line-height: 1.3;
}

.srt-screen-sp-track .srt-screen--sp .srt-screen__sp-jan {
  font-size: 8px;
}

.srt-screen-sp-track .srt-screen--sp .srt-screen__sp-qty {
  font-size: 28px;
  margin: 2px 0;
  line-height: 1;
}

.srt-screen-sp-track .srt-screen--sp .srt-screen__sp-qty small {
  font-size: 11px;
}

.srt-screen-sp-track .srt-screen--sp .srt-screen__sp-btn {
  min-height: 30px;
  font-size: 11px;
  margin-top: 2px;
  box-shadow: 0 4px 10px rgba(32, 121, 148, 0.2);
}

/* 対象外（非アクティブ）端末のスタイル */
.srt-screen--sp-inactive {
  opacity: 0.65;
}

.srt-screen--sp-inactive .srt-screen__label {
  background: #475569;
  color: #94a3b8;
}

.srt-screen__sp-qty--none {
  color: #94a3b8 !important;
}

.srt-screen__sp-btn--inactive {
  background: #cbd5e1 !important;
  color: #64748b !important;
  box-shadow: none !important;
  cursor: not-allowed !important;
}


/* ===================================================
   Section 5: USAGE FLOW
=================================================== */

.srt-usage {
  position: relative;
  padding: 80px 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(40, 120, 167, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f7fbfd 100%);
  overflow: hidden;
}

.srt-usage__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-usage__title {
  color: #061b33;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.srt-usage__lead {
  max-width: 680px;
  margin: 18px auto 0;
  color: #667085;
  font-size: 15px;
  line-height: 1.9;
}

.srt-usage__flow {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 20px 24px;
}

.srt-usage__item {
  position: relative;
  display: grid;
  grid-template-columns: 92px 1fr;
  min-height: 100px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(31, 41, 51, 0.05);
}

.srt-usage__item+.srt-usage__item {
  margin-top: 28px;
}

.srt-usage__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -22px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 24px solid transparent;
  border-right: 24px solid transparent;
  border-top: 18px solid #4c95be;
  z-index: 2;
}

.srt-usage__num {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #207994 0%, #31a4c7 100%);
  color: #ffffff;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.srt-usage__num span {
  margin-bottom: 2px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  opacity: 0.82;
}

.srt-usage__body {
  padding: 20px 24px;
}

.srt-usage__body h3 {
  margin-bottom: 8px;
  color: #2878a7;
  font-size: clamp(18px, 2.0vw, 20px);
  font-weight: 900;
  line-height: 1.5;
}

.srt-usage__body p {
  color: #4b5b6b;
  font-size: 15px;
  line-height: 1.8;
}

/* responsive */
@media (max-width: 768px) {
  .srt-usage {
    padding: 72px 0;
  }

  .srt-usage__flow {
    padding: 24px 18px;
    border-radius: 22px;
  }

  .srt-usage__item {
    grid-template-columns: 72px 1fr;
    min-height: 118px;
  }

  .srt-usage__num {
    font-size: 22px;
  }

  .srt-usage__body {
    padding: 22px 20px;
  }

  .srt-usage__body h3 {
    font-size: 18px;
  }

  .srt-usage__body p {
    font-size: 14px;
  }
}

/* ===================================================
   Section 6: FIT
=================================================== */
.srt-fit__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-fit__head h2 {
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  color: #0f172a;
  margin-bottom: 0;
}

.srt-fit {
  padding: 80px 0;
  background: #f8fafc;
}

.srt-fit__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.srt-fit__col {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 36px 32px;
}

.srt-fit__title {
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 750;
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.srt-fit__title--good {
  color: #0f172a;
}

.srt-fit__title--bad {
  color: #475569;
}

.srt-fit__bad-note {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 16px;
  line-height: 1.6;
}

.srt-fit__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.srt-fit__list li {
  font-size: 14px;
  line-height: 1.7;
  color: #475569;
  padding: 10px 14px;
  border-radius: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.srt-fit__list--good li {
  background: #f0fcfe;
  color: #0f172a;
}

.srt-fit__list--good li::before {
  content: '✓';
  color: #19b3c7;
  font-weight: 800;
  flex-shrink: 0;
}

.srt-fit__list--bad li {
  background: #f8fafc;
  color: #64748b;
}

.srt-fit__list--bad li::before {
  content: '—';
  color: #cbd5e1;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===================================================
   Section 8: INTRO FLOW
=================================================== */
.srt-flow {
  padding: 80px 0;
  background: #ffffff;
}

.srt-flow__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-flow__title {
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  color: #0f172a;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.srt-flow__steps {
  max-width: 700px;
  margin: 0 auto 48px;
  display: flex;
  flex-direction: column;
}

.srt-flow__step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 22px 28px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.srt-flow__step:hover {
  transform: translateX(6px);
  box-shadow: 0 8px 24px rgba(25, 179, 199, 0.1);
  border-color: #b8e9f0;
}

.srt-flow__step-num {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 18px;
  font-weight: 900;
  color: #ffffff;
  background: linear-gradient(135deg, #207994 0%, #31a4c7 100%);
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(32, 121, 148, 0.25);
}

.srt-flow__step-title {
  font-size: 18px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 4px;
}

.srt-flow__step-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #64748b;
}

.srt-flow__connector {
  width: 2px;
  height: 20px;
  background: linear-gradient(180deg, #19b3c7, #3b82f6);
  margin: 0 0 0 50px;
  border-radius: 2px;
}

.srt-flow__cta {
  text-align: center;
}

/* ===================================================
   Section 9: PoC METRICS
=================================================== */
.srt-poc {
  padding: 80px 0;
  background: #f8fafc;
}

.srt-poc__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-poc__title {
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  color: #0f172a;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.srt-poc__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.srt-poc__card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.35s cubic-bezier(.22, 1, .36, 1), box-shadow 0.35s;
}

.srt-poc__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.srt-poc__card-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.srt-poc__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2878a7;
  background: #eefafc;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 0;
  flex-shrink: 0;
}

.srt-poc__svg-icon {
  width: 100%;
  height: 100%;
  stroke-width: 2.25;
}

.srt-poc__label {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
}

.srt-poc__desc {
  font-size: 13px;
  line-height: 1.75;
  color: #64748b;
}

/* ===================================================
   Section 10: PRICING
=================================================== */
.srt-price {
  padding: 80px 0;
  background: #ffffff;
}

.srt-price__head {
  text-align: center;
  margin-bottom: 48px;
}

.srt-price__title {
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 750;
  color: #0f172a;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.srt-price__body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  max-width: 960px;
  margin: 0 auto 36px;
}

/* 価格カード（共通スタイル再利用） */
.price-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: 24px;
  padding: 36px 40px;
  text-align: center;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.price-card__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #19b3c7;
  margin-bottom: 20px;
}

.price-card__amount {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.price-card__unit {
  font-size: 16px;
  font-weight: 700;
  color: #94a3b8;
}

.price-card__note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 10px;
}



.srt-price__col {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 24px 20px;
}

.srt-price__col-title {
  font-size: 13px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #19b3c7;
}

.srt-price__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.srt-price__list li {
  font-size: 13px;
  line-height: 1.7;
  color: #475569;
  padding: 7px 0;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 8px;
}

.srt-price__list li:last-child {
  border-bottom: none;
}

.srt-price__list li::before {
  content: '✓';
  font-weight: 700;
  color: #19b3c7;
  flex-shrink: 0;
}

.srt-price__list--prep li::before {
  content: '□';
  color: #94a3b8;
}

.srt-price__cta {
  text-align: center;
}

/* ===================================================
   RESPONSIVE — Tablet (≤ 991px)
=================================================== */
@media screen and (max-width: 991px) {
  .srt-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .srt-fit__inner {
    grid-template-columns: 1fr;
  }

  .srt-price__body {
    grid-template-columns: 1fr;
  }

  .price-card {
    min-width: auto;
  }
}

/* ===================================================
   RESPONSIVE — SP (≤ 768px)
=================================================== */
@media screen and (max-width: 768px) {
  .sp-only {
    display: initial;
  }

  .srt-hero {
    padding: 56px 0;
  }

  .srt-hero__cta {
    flex-direction: column;
  }

  .srt-hero__btn {
    width: 100%;
    min-height: 52px;
  }



  .srt-compare {
    padding: 60px 0;
  }

  .srt-compare__table-wrap {
    border-radius: 14px;
    overflow-x: auto;
  }

  .srt-table {
    min-width: 520px;
  }

  .srt-compare__note {
    padding: 20px 18px;
  }

  .srt-how {
    padding: 60px 0;
  }

  .srt-how__flow {
    flex-direction: column;
    gap: 20px;
  }

  .srt-how__step {
    width: 100%;
    max-width: 320px;
    flex-direction: row;
    text-align: left;
    align-items: center;
    gap: 16px;
  }

  .srt-how__step-label {
    align-items: flex-start;
  }

  .srt-how__arrow {
    display: none;
  }

  .srt-how__screens {
    grid-template-columns: 1fr;
  }

  .srt-usage {
    padding: 60px 0;
  }

  .srt-fit {
    padding: 60px 0;
  }

  .srt-fit__inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .srt-flow {
    padding: 60px 0;
  }

  .srt-poc {
    padding: 60px 0;
  }

  .srt-poc__grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .srt-price {
    padding: 60px 0;
  }

  .srt-price__details {
    grid-template-columns: 1fr;
  }
}